col·​or·​less | \ ˈkə-lər-ləs How to pronounce colorless (audio) \

Definition of colorless

: lacking color: such as
a : pallid, blanched a colorless complexion
b : dull, uninteresting colorless prose

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Other Words from colorless

colorlessly adverb
colorlessness noun

Examples of colorless in a Sentence

since we can't decide what color to paint the doghouse, our latest home project remains colorless for the time being page after page of colorless prose without even one neat turn of phrase
Recent Examples on the Web Glycolic acid is a colorless, odorless alpha-hydroxy-acid (AHA) derived from sugar cane. Farwa Shah, SELF, "10 Things You Should Know Before Getting a Glycolic Acid Peel," 3 Dec. 2019 The colorless, odorless gas is produced in high concentrations in piston-engine planes, but is removed through the exhaust system. Wire Service, The Mercury News, "Emiliano Sala had high carbon monoxide level at time of fatal crash," 14 Aug. 2019 Carbon monoxide safety Carbon monoxide is a colorless, odorless gas that is virtually imperceptible without a carbon monoxide detector. Dana Branham, Dallas News, "16 people at The Bridge homeless shelter taken to hospitals after positive carbon monoxide reading," 2 Feb. 2020 Officials say propylene — a colorless gas used to produce chemicals in plastics, synthetic rubber and gasoline — burned after the blast. Washington Post, "ATF: Electrical spark likely caused deadly Houston blast," 1 Feb. 2020 Propylene is a colorless gas used to produce chemicals in plastics, synthetic rubber, and gasoline. Juan A. Lozano,, "Police: 2 dead after warehouse explosion shakes Houston," 24 Jan. 2020 Propylene is a colorless gas used to produce chemicals in plastics, synthetic rubber and gasoline. Juan A. Lozano, Anchorage Daily News, "2 dead in explosion that leveled a warehouse in Texas," 24 Jan. 2020 What was happening was a buildup in her home of carbon monoxide (CO), an odorless, colorless, poisonous gas. Beth Mlady, cleveland, "Middleburg Heights honors first responders for saving woman during carbon monoxide emergency," 19 Jan. 2020 Officials have been monitoring the air because the fires were burning a chemical called butadiene, a colorless gas with a gasoline-like smell that is considered a health hazard, according to the US National Library of Medicine. Melissa Alonso And Jason Hanna, CNN, "Evacuation order lifted after Texas chemical plant explosions, but officials warn about asbestos debris," 29 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'colorless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of colorless

14th century, in the meaning defined above

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Time Traveler for colorless

Time Traveler

The first known use of colorless was in the 14th century

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Statistics for colorless

Last Updated

24 Feb 2020

Cite this Entry

“Colorless.” Dictionary, Merriam-Webster, Accessed 24 Feb. 2020.

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More Definitions for colorless


How to pronounce colorless (audio)

English Language Learners Definition of colorless

: lacking color
: dull or boring : not interesting


col·​or·​less | \ ˈkə-lər-ləs How to pronounce colorless (audio) \

Kids Definition of colorless

1 : having no color
3 : dull entry 1 sense 3 Her face had a colorless expression.

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